From 6dddd1d6b2dd8ea1d283183d6037f4cfc86be89d Mon Sep 17 00:00:00 2001
From: Uwe Schindler <uschindler@apache.org>
Date: Wed, 17 Sep 2014 18:29:22 +0000
Subject: [PATCH] SOLR-6519: Add back "single" lock factory type to
 StandardDirectoryFactory (to prevent test randomization from failing). Should
 be discussed in separate issue.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1625724 13f79535-47bb-0310-9956-ffa450edef68
---
 .../src/java/org/apache/solr/core/StandardDirectoryFactory.java | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/solr/core/src/java/org/apache/solr/core/StandardDirectoryFactory.java b/solr/core/src/java/org/apache/solr/core/StandardDirectoryFactory.java
index aedb8d4b0bb..50da52c513d 100644
--- a/solr/core/src/java/org/apache/solr/core/StandardDirectoryFactory.java
+++ b/solr/core/src/java/org/apache/solr/core/StandardDirectoryFactory.java
@@ -67,6 +67,8 @@ public class StandardDirectoryFactory extends CachingDirectoryFactory {
         return new SimpleFSLockFactory(new File(lockPath).toPath());
       case "native":
         return new NativeFSLockFactory(new File(lockPath).toPath());
+      case "single":
+        return new SingleInstanceLockFactory();
       case "none":
         return NoLockFactory.getNoLockFactory();
       default: